LEORX Portable White ABS Injection Molding Triangular Interview Mic Microphone Logo Flag Station Color: mainly white. Material: durable hard ABS plastic. Hole diameter: about 3.9cm (internal with adjustable cotton). Logo diameter: about 9.4cm; Logo height: about 5cm. Suitable for Professional interview microphone. Triangular Shaped design, large place to show logo, can be engraved with PVC board by yourself or pasted by multicolor printing sticker. Simple and practical design, and easy to carry.